Your baby can wave bye-bye, clap his hands and point to things he wants. Separation anxiety is common because he understands object permanence: You (or an object) still exist even when out of his sight, Amzel explains. He also may display a fear of strangers.
Your baby is becoming more and more "talkative." She can imitate sounds, like clucking her tongue or say "uh-oh" or "shh." Talk to your pediatrician if at 7 months your child doesn't do any of the following: smile or laugh; roll over or bear weight on her legs; try to produce consonants and vowel sequences; or recognize familiar sounds, such as a ringing telephone or doorbell.
Your baby may be lying on his back, grabbing his feet, and bringing them to his mouth. Yum! Maybe it's time to sign up for a Mommy & Me yoga class, our try our baby-friendly yoga moves. Your baby may also be sitting upright without support, or even supporting his entire body weight on his legs.
Your baby is learning and growing by leaps and bounds now! In the coming weeks, he'll likely say consonants, such as t or d, or a consonant-vowel combo like "ta" or "da." In the coming weeks, your baby will begin to sit up unassisted. He also can put his hands together, grasp an object by raking his fingers across it and move objects from hand to hand.
Rolling over used to be a 4-month milestone, but now it is happening later, at around 5 months. Put your baby on his stomach for at least a half-hour a day to build upper-body strength. Now is also a good time to begin playing simple sound-gesture games, such as "Where is Thumbkin?" and "Itsy Bitsy Spider." Your baby may begin to make trilling, growling and lip-smacking sounds.
By 3 months, your baby can grasp a rattle that's placed in his hand and bring his fingers into his mouth. He also can lift his head 45 degrees while lying on his tummy and can push his legs down when held standing. If your baby does not smile socially, coo or lift his head 45 degrees at 3 months, talk with your pediatrician.